<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Page Loading Effect</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            background-color: #f0f0f0;
            font-family: Arial, sans-serif;
        }

        .loader-container {
            text-align: center;
        }

        .loader {
            border: 8px solid #f3f3f3;
            border-top: 8px solid #3498db;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 2s linear infinite;
            display: inline-block;
        }

        @keyframes spin {
            0% {
                transform: rotate(0);
            }
            100% {
                transform: rotate(360deg);
            }
        }

        .loading-text {
            font-size: 16px;
            margin-top: 10px;
        }
    </style>
</head>

<body>
<div class="loader-container">
    <div class="loader"></div>
    <div class="loading-text">地图正在加载ing</div>
</div>
</body>

</html>